Home / 130,846.32-180,386.52-88,337.52

Finding the Fourth Proportional to 130,846.32, 180,386.52 and 88,337.52

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Solution

The fourth proportional to 130,846.32, 180,386.52 and 88,337.52 is: 121,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,846.32 : 180,386.52 = 88,337.52 : x
  2. Step 2: Convert to fraction form
    130,846.32/180,386.52 = 88,337.52/x
  3. Step 3: Cross multiply
    130,846.32x = 180,386.52 × 88,337.52
  4. Step 4: Simplify right side
    130,846.32x = 15,934,897,818.23
  5. Step 5: Solve for x
    x = 15,934,897,818.23/130,846.32
  6. Step 6: Final answer
    x = 121,783.31

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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.