Home / 105,191.33-145,176.45-59,252.47

Finding the Fourth Proportional to 105,191.33, 145,176.45 and 59,252.47

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Solution

The fourth proportional to 105,191.33, 145,176.45 and 59,252.47 is: 81,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,191.33 : 145,176.45 = 59,252.47 : x
  2. Step 2: Convert to fraction form
    105,191.33/145,176.45 = 59,252.47/x
  3. Step 3: Cross multiply
    105,191.33x = 145,176.45 × 59,252.47
  4. Step 4: Simplify right side
    105,191.33x = 8,602,063,248.33
  5. Step 5: Solve for x
    x = 8,602,063,248.33/105,191.33
  6. Step 6: Final answer
    x = 81,775.40

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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.