Home / 181,140.16-249,963.67-100,562.50

Finding the Fourth Proportional to 181,140.16, 249,963.67 and 100,562.50

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Solution

The fourth proportional to 181,140.16, 249,963.67 and 100,562.50 is: 138,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,140.16 : 249,963.67 = 100,562.50 : x
  2. Step 2: Convert to fraction form
    181,140.16/249,963.67 = 100,562.50/x
  3. Step 3: Cross multiply
    181,140.16x = 249,963.67 × 100,562.50
  4. Step 4: Simplify right side
    181,140.16x = 25,136,970,030.82
  5. Step 5: Solve for x
    x = 25,136,970,030.82/181,140.16
  6. Step 6: Final answer
    x = 138,770.83

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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.