Home / 130,888.46-180,633.66-98,565.20

Finding the Fourth Proportional to 130,888.46, 180,633.66 and 98,565.20

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Solution

The fourth proportional to 130,888.46, 180,633.66 and 98,565.20 is: 136,025.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,888.46 : 180,633.66 = 98,565.20 : x
  2. Step 2: Convert to fraction form
    130,888.46/180,633.66 = 98,565.20/x
  3. Step 3: Cross multiply
    130,888.46x = 180,633.66 × 98,565.20
  4. Step 4: Simplify right side
    130,888.46x = 17,804,192,824.63
  5. Step 5: Solve for x
    x = 17,804,192,824.63/130,888.46
  6. Step 6: Final answer
    x = 136,025.69

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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.