Home / 176,172.20-243,061.08-98,636.42

Finding the Fourth Proportional to 176,172.20, 243,061.08 and 98,636.42

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Solution

The fourth proportional to 176,172.20, 243,061.08 and 98,636.42 is: 136,086.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,172.20 : 243,061.08 = 98,636.42 : x
  2. Step 2: Convert to fraction form
    176,172.20/243,061.08 = 98,636.42/x
  3. Step 3: Cross multiply
    176,172.20x = 243,061.08 × 98,636.42
  4. Step 4: Simplify right side
    176,172.20x = 23,974,674,772.53
  5. Step 5: Solve for x
    x = 23,974,674,772.53/176,172.20
  6. Step 6: Final answer
    x = 136,086.59

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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.