Home / 130,795.76-180,552.96-88,411.70

Finding the Fourth Proportional to 130,795.76, 180,552.96 and 88,411.70

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Solution

The fourth proportional to 130,795.76, 180,552.96 and 88,411.70 is: 122,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,795.76 : 180,552.96 = 88,411.70 : x
  2. Step 2: Convert to fraction form
    130,795.76/180,552.96 = 88,411.70/x
  3. Step 3: Cross multiply
    130,795.76x = 180,552.96 × 88,411.70
  4. Step 4: Simplify right side
    130,795.76x = 15,962,994,133.63
  5. Step 5: Solve for x
    x = 15,962,994,133.63/130,795.76
  6. Step 6: Final answer
    x = 122,045.20

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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.