Home / 132,038.55-182,174.81-86,111.55

Finding the Fourth Proportional to 132,038.55, 182,174.81 and 86,111.55

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Solution

The fourth proportional to 132,038.55, 182,174.81 and 86,111.55 is: 118,808.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,038.55 : 182,174.81 = 86,111.55 : x
  2. Step 2: Convert to fraction form
    132,038.55/182,174.81 = 86,111.55/x
  3. Step 3: Cross multiply
    132,038.55x = 182,174.81 × 86,111.55
  4. Step 4: Simplify right side
    132,038.55x = 15,687,354,829.50
  5. Step 5: Solve for x
    x = 15,687,354,829.50/132,038.55
  6. Step 6: Final answer
    x = 118,808.90

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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.