Home / 220,187.16-303,877.02-124,710.84

Finding the Fourth Proportional to 220,187.16, 303,877.02 and 124,710.84

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Solution

The fourth proportional to 220,187.16, 303,877.02 and 124,710.84 is: 172,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,187.16 : 303,877.02 = 124,710.84 : x
  2. Step 2: Convert to fraction form
    220,187.16/303,877.02 = 124,710.84/x
  3. Step 3: Cross multiply
    220,187.16x = 303,877.02 × 124,710.84
  4. Step 4: Simplify right side
    220,187.16x = 37,896,758,420.90
  5. Step 5: Solve for x
    x = 37,896,758,420.90/220,187.16
  6. Step 6: Final answer
    x = 172,111.57

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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.