Home / 111,217.02-153,491.91-63,478.45

Finding the Fourth Proportional to 111,217.02, 153,491.91 and 63,478.45

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Solution

The fourth proportional to 111,217.02, 153,491.91 and 63,478.45 is: 87,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,217.02 : 153,491.91 = 63,478.45 : x
  2. Step 2: Convert to fraction form
    111,217.02/153,491.91 = 63,478.45/x
  3. Step 3: Cross multiply
    111,217.02x = 153,491.91 × 63,478.45
  4. Step 4: Simplify right side
    111,217.02x = 9,743,428,845.23
  5. Step 5: Solve for x
    x = 9,743,428,845.23/111,217.02
  6. Step 6: Final answer
    x = 87,607.36

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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.