Home / 110,158.02-152,017.70-62,420.47

Finding the Fourth Proportional to 110,158.02, 152,017.70 and 62,420.47

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Solution

The fourth proportional to 110,158.02, 152,017.70 and 62,420.47 is: 86,140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,158.02 : 152,017.70 = 62,420.47 : x
  2. Step 2: Convert to fraction form
    110,158.02/152,017.70 = 62,420.47/x
  3. Step 3: Cross multiply
    110,158.02x = 152,017.70 × 62,420.47
  4. Step 4: Simplify right side
    110,158.02x = 9,489,015,590.17
  5. Step 5: Solve for x
    x = 9,489,015,590.17/110,158.02
  6. Step 6: Final answer
    x = 86,140.03

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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.