Home / 106,988.53-147,642.37-59,240.85

Finding the Fourth Proportional to 106,988.53, 147,642.37 and 59,240.85

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Solution

The fourth proportional to 106,988.53, 147,642.37 and 59,240.85 is: 81,751.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,988.53 : 147,642.37 = 59,240.85 : x
  2. Step 2: Convert to fraction form
    106,988.53/147,642.37 = 59,240.85/x
  3. Step 3: Cross multiply
    106,988.53x = 147,642.37 × 59,240.85
  4. Step 4: Simplify right side
    106,988.53x = 8,746,459,623.54
  5. Step 5: Solve for x
    x = 8,746,459,623.54/106,988.53
  6. Step 6: Final answer
    x = 81,751.38

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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.