Home / 371,341.17-512,307.32-210,159.27

Finding the Fourth Proportional to 371,341.17, 512,307.32 and 210,159.27

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Solution

The fourth proportional to 371,341.17, 512,307.32 and 210,159.27 is: 289,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,341.17 : 512,307.32 = 210,159.27 : x
  2. Step 2: Convert to fraction form
    371,341.17/512,307.32 = 210,159.27/x
  3. Step 3: Cross multiply
    371,341.17x = 512,307.32 × 210,159.27
  4. Step 4: Simplify right side
    371,341.17x = 107,666,131,336.06
  5. Step 5: Solve for x
    x = 107,666,131,336.06/371,341.17
  6. Step 6: Final answer
    x = 289,938.58

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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.