Home / 130,848.40-180,587.64-88,404.40

Finding the Fourth Proportional to 130,848.40, 180,587.64 and 88,404.40

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Solution

The fourth proportional to 130,848.40, 180,587.64 and 88,404.40 is: 122,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,848.40 : 180,587.64 = 88,404.40 : x
  2. Step 2: Convert to fraction form
    130,848.40/180,587.64 = 88,404.40/x
  3. Step 3: Cross multiply
    130,848.40x = 180,587.64 × 88,404.40
  4. Step 4: Simplify right side
    130,848.40x = 15,964,741,961.62
  5. Step 5: Solve for x
    x = 15,964,741,961.62/130,848.40
  6. Step 6: Final answer
    x = 122,009.45

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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.