Home / 130,097.13-194,096.15-115,897.70

Finding the Fourth Proportional to 130,097.13, 194,096.15 and 115,897.70

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Solution

The fourth proportional to 130,097.13, 194,096.15 and 115,897.70 is: 172,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,097.13 : 194,096.15 = 115,897.70 : x
  2. Step 2: Convert to fraction form
    130,097.13/194,096.15 = 115,897.70/x
  3. Step 3: Cross multiply
    130,097.13x = 194,096.15 × 115,897.70
  4. Step 4: Simplify right side
    130,097.13x = 22,495,296,683.12
  5. Step 5: Solve for x
    x = 22,495,296,683.12/130,097.13
  6. Step 6: Final answer
    x = 172,911.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.