Home / 177,972.52-245,598.78-97,398.40

Finding the Fourth Proportional to 177,972.52, 245,598.78 and 97,398.40

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Solution

The fourth proportional to 177,972.52, 245,598.78 and 97,398.40 is: 134,407.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,972.52 : 245,598.78 = 97,398.40 : x
  2. Step 2: Convert to fraction form
    177,972.52/245,598.78 = 97,398.40/x
  3. Step 3: Cross multiply
    177,972.52x = 245,598.78 × 97,398.40
  4. Step 4: Simplify right side
    177,972.52x = 23,920,928,213.95
  5. Step 5: Solve for x
    x = 23,920,928,213.95/177,972.52
  6. Step 6: Final answer
    x = 134,407.99

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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.