Home / 127,508.46-175,998.74-85,066.89

Finding the Fourth Proportional to 127,508.46, 175,998.74 and 85,066.89

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Solution

The fourth proportional to 127,508.46, 175,998.74 and 85,066.89 is: 117,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,508.46 : 175,998.74 = 85,066.89 : x
  2. Step 2: Convert to fraction form
    127,508.46/175,998.74 = 85,066.89/x
  3. Step 3: Cross multiply
    127,508.46x = 175,998.74 × 85,066.89
  4. Step 4: Simplify right side
    127,508.46x = 14,971,665,030.38
  5. Step 5: Solve for x
    x = 14,971,665,030.38/127,508.46
  6. Step 6: Final answer
    x = 117,417.03

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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.