Home / 157,624.13-217,522.02-86,005.67

Finding the Fourth Proportional to 157,624.13, 217,522.02 and 86,005.67

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Solution

The fourth proportional to 157,624.13, 217,522.02 and 86,005.67 is: 118,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,624.13 : 217,522.02 = 86,005.67 : x
  2. Step 2: Convert to fraction form
    157,624.13/217,522.02 = 86,005.67/x
  3. Step 3: Cross multiply
    157,624.13x = 217,522.02 × 86,005.67
  4. Step 4: Simplify right side
    157,624.13x = 18,708,127,069.85
  5. Step 5: Solve for x
    x = 18,708,127,069.85/157,624.13
  6. Step 6: Final answer
    x = 118,688.22

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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.