Home / 207,666.02-286,579.07-112,172.72

Finding the Fourth Proportional to 207,666.02, 286,579.07 and 112,172.72

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Solution

The fourth proportional to 207,666.02, 286,579.07 and 112,172.72 is: 154,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,666.02 : 286,579.07 = 112,172.72 : x
  2. Step 2: Convert to fraction form
    207,666.02/286,579.07 = 112,172.72/x
  3. Step 3: Cross multiply
    207,666.02x = 286,579.07 × 112,172.72
  4. Step 4: Simplify right side
    207,666.02x = 32,146,353,068.21
  5. Step 5: Solve for x
    x = 32,146,353,068.21/207,666.02
  6. Step 6: Final answer
    x = 154,798.33

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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.