Home / 229,404.48-316,567.47-127,436.55

Finding the Fourth Proportional to 229,404.48, 316,567.47 and 127,436.55

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Solution

The fourth proportional to 229,404.48, 316,567.47 and 127,436.55 is: 175,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,404.48 : 316,567.47 = 127,436.55 : x
  2. Step 2: Convert to fraction form
    229,404.48/316,567.47 = 127,436.55/x
  3. Step 3: Cross multiply
    229,404.48x = 316,567.47 × 127,436.55
  4. Step 4: Simplify right side
    229,404.48x = 40,342,266,219.03
  5. Step 5: Solve for x
    x = 40,342,266,219.03/229,404.48
  6. Step 6: Final answer
    x = 175,856.49

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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.