Home / 127,799.83-176,361.40-69,657.06

Finding the Fourth Proportional to 127,799.83, 176,361.40 and 69,657.06

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Solution

The fourth proportional to 127,799.83, 176,361.40 and 69,657.06 is: 96,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,799.83 : 176,361.40 = 69,657.06 : x
  2. Step 2: Convert to fraction form
    127,799.83/176,361.40 = 69,657.06/x
  3. Step 3: Cross multiply
    127,799.83x = 176,361.40 × 69,657.06
  4. Step 4: Simplify right side
    127,799.83x = 12,284,817,369.91
  5. Step 5: Solve for x
    x = 12,284,817,369.91/127,799.83
  6. Step 6: Final answer
    x = 96,125.46

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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.