Home / 457,126.02-685,681.74-124,702.02

Finding the Fourth Proportional to 457,126.02, 685,681.74 and 124,702.02

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Solution

The fourth proportional to 457,126.02, 685,681.74 and 124,702.02 is: 187,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,126.02 : 685,681.74 = 124,702.02 : x
  2. Step 2: Convert to fraction form
    457,126.02/685,681.74 = 124,702.02/x
  3. Step 3: Cross multiply
    457,126.02x = 685,681.74 × 124,702.02
  4. Step 4: Simplify right side
    457,126.02x = 85,505,898,055.11
  5. Step 5: Solve for x
    x = 85,505,898,055.11/457,126.02
  6. Step 6: Final answer
    x = 187,051.04

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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.