Home / 114,945.40-172,547.70-88,766.20

Finding the Fourth Proportional to 114,945.40, 172,547.70 and 88,766.20

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Solution

The fourth proportional to 114,945.40, 172,547.70 and 88,766.20 is: 133,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,945.40 : 172,547.70 = 88,766.20 : x
  2. Step 2: Convert to fraction form
    114,945.40/172,547.70 = 88,766.20/x
  3. Step 3: Cross multiply
    114,945.40x = 172,547.70 × 88,766.20
  4. Step 4: Simplify right side
    114,945.40x = 15,316,403,647.74
  5. Step 5: Solve for x
    x = 15,316,403,647.74/114,945.40
  6. Step 6: Final answer
    x = 133,249.38

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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.