Home / 157,856.24-217,802.58-101,344.16

Finding the Fourth Proportional to 157,856.24, 217,802.58 and 101,344.16

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Solution

The fourth proportional to 157,856.24, 217,802.58 and 101,344.16 is: 139,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,856.24 : 217,802.58 = 101,344.16 : x
  2. Step 2: Convert to fraction form
    157,856.24/217,802.58 = 101,344.16/x
  3. Step 3: Cross multiply
    157,856.24x = 217,802.58 × 101,344.16
  4. Step 4: Simplify right side
    157,856.24x = 22,073,019,515.93
  5. Step 5: Solve for x
    x = 22,073,019,515.93/157,856.24
  6. Step 6: Final answer
    x = 139,829.88

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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.