Home / 98,666.86-136,176.35-73,341.40

Finding the Fourth Proportional to 98,666.86, 136,176.35 and 73,341.40

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Solution

The fourth proportional to 98,666.86, 136,176.35 and 73,341.40 is: 101,223.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,666.86 : 136,176.35 = 73,341.40 : x
  2. Step 2: Convert to fraction form
    98,666.86/136,176.35 = 73,341.40/x
  3. Step 3: Cross multiply
    98,666.86x = 136,176.35 × 73,341.40
  4. Step 4: Simplify right side
    98,666.86x = 9,987,364,155.89
  5. Step 5: Solve for x
    x = 9,987,364,155.89/98,666.86
  6. Step 6: Final answer
    x = 101,223.09

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1.5x scale

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.