Home / 157,206.92-216,950.09-85,588.16

Finding the Fourth Proportional to 157,206.92, 216,950.09 and 85,588.16

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Solution

The fourth proportional to 157,206.92, 216,950.09 and 85,588.16 is: 118,114.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,206.92 : 216,950.09 = 85,588.16 : x
  2. Step 2: Convert to fraction form
    157,206.92/216,950.09 = 85,588.16/x
  3. Step 3: Cross multiply
    157,206.92x = 216,950.09 × 85,588.16
  4. Step 4: Simplify right side
    157,206.92x = 18,568,357,502.24
  5. Step 5: Solve for x
    x = 18,568,357,502.24/157,206.92
  6. Step 6: Final answer
    x = 118,114.13

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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.