Home / 115,404.10-173,106.15-97,689.40

Finding the Fourth Proportional to 115,404.10, 173,106.15 and 97,689.40

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Solution

The fourth proportional to 115,404.10, 173,106.15 and 97,689.40 is: 146,534.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,404.10 : 173,106.15 = 97,689.40 : x
  2. Step 2: Convert to fraction form
    115,404.10/173,106.15 = 97,689.40/x
  3. Step 3: Cross multiply
    115,404.10x = 173,106.15 × 97,689.40
  4. Step 4: Simplify right side
    115,404.10x = 16,910,635,929.81
  5. Step 5: Solve for x
    x = 16,910,635,929.81/115,404.10
  6. Step 6: Final answer
    x = 146,534.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.