Home / 157,870.76-217,861.53-89,884.22

Finding the Fourth Proportional to 157,870.76, 217,861.53 and 89,884.22

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Solution

The fourth proportional to 157,870.76, 217,861.53 and 89,884.22 is: 124,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,870.76 : 217,861.53 = 89,884.22 : x
  2. Step 2: Convert to fraction form
    157,870.76/217,861.53 = 89,884.22/x
  3. Step 3: Cross multiply
    157,870.76x = 217,861.53 × 89,884.22
  4. Step 4: Simplify right side
    157,870.76x = 19,582,313,692.06
  5. Step 5: Solve for x
    x = 19,582,313,692.06/157,870.76
  6. Step 6: Final answer
    x = 124,040.16

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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.