Home / 134,715.74-185,900.08-83,727.16

Finding the Fourth Proportional to 134,715.74, 185,900.08 and 83,727.16

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Solution

The fourth proportional to 134,715.74, 185,900.08 and 83,727.16 is: 115,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,715.74 : 185,900.08 = 83,727.16 : x
  2. Step 2: Convert to fraction form
    134,715.74/185,900.08 = 83,727.16/x
  3. Step 3: Cross multiply
    134,715.74x = 185,900.08 × 83,727.16
  4. Step 4: Simplify right side
    134,715.74x = 15,564,885,742.17
  5. Step 5: Solve for x
    x = 15,564,885,742.17/134,715.74
  6. Step 6: Final answer
    x = 115,538.73

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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.