Home / 115,547.40-173,612.70-73,447.65

Finding the Fourth Proportional to 115,547.40, 173,612.70 and 73,447.65

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Solution

The fourth proportional to 115,547.40, 173,612.70 and 73,447.65 is: 110,356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,547.40 : 173,612.70 = 73,447.65 : x
  2. Step 2: Convert to fraction form
    115,547.40/173,612.70 = 73,447.65/x
  3. Step 3: Cross multiply
    115,547.40x = 173,612.70 × 73,447.65
  4. Step 4: Simplify right side
    115,547.40x = 12,751,444,825.16
  5. Step 5: Solve for x
    x = 12,751,444,825.16/115,547.40
  6. Step 6: Final answer
    x = 110,356.83

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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.