Home / 371,216.10-512,277.93-210,068.22

Finding the Fourth Proportional to 371,216.10, 512,277.93 and 210,068.22

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Solution

The fourth proportional to 371,216.10, 512,277.93 and 210,068.22 is: 289,893.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,216.10 : 512,277.93 = 210,068.22 : x
  2. Step 2: Convert to fraction form
    371,216.10/512,277.93 = 210,068.22/x
  3. Step 3: Cross multiply
    371,216.10x = 512,277.93 × 210,068.22
  4. Step 4: Simplify right side
    371,216.10x = 107,613,312,900.39
  5. Step 5: Solve for x
    x = 107,613,312,900.39/371,216.10
  6. Step 6: Final answer
    x = 289,893.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.