Home / 131,437.94-181,385.51-74,066.27

Finding the Fourth Proportional to 131,437.94, 181,385.51 and 74,066.27

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Solution

The fourth proportional to 131,437.94, 181,385.51 and 74,066.27 is: 102,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,437.94 : 181,385.51 = 74,066.27 : x
  2. Step 2: Convert to fraction form
    131,437.94/181,385.51 = 74,066.27/x
  3. Step 3: Cross multiply
    131,437.94x = 181,385.51 × 74,066.27
  4. Step 4: Simplify right side
    131,437.94x = 13,434,547,523.49
  5. Step 5: Solve for x
    x = 13,434,547,523.49/131,437.94
  6. Step 6: Final answer
    x = 102,212.10

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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.