Home / 177,455.20-266,182.80-145,962.40

Finding the Fourth Proportional to 177,455.20, 266,182.80 and 145,962.40

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Solution

The fourth proportional to 177,455.20, 266,182.80 and 145,962.40 is: 218,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,455.20 : 266,182.80 = 145,962.40 : x
  2. Step 2: Convert to fraction form
    177,455.20/266,182.80 = 145,962.40/x
  3. Step 3: Cross multiply
    177,455.20x = 266,182.80 × 145,962.40
  4. Step 4: Simplify right side
    177,455.20x = 38,852,680,326.72
  5. Step 5: Solve for x
    x = 38,852,680,326.72/177,455.20
  6. Step 6: Final answer
    x = 218,943.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.