Home / 180,854.04-249,577.30-100,281.64

Finding the Fourth Proportional to 180,854.04, 249,577.30 and 100,281.64

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Solution

The fourth proportional to 180,854.04, 249,577.30 and 100,281.64 is: 138,387.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,854.04 : 249,577.30 = 100,281.64 : x
  2. Step 2: Convert to fraction form
    180,854.04/249,577.30 = 100,281.64/x
  3. Step 3: Cross multiply
    180,854.04x = 249,577.30 × 100,281.64
  4. Step 4: Simplify right side
    180,854.04x = 25,028,020,950.77
  5. Step 5: Solve for x
    x = 25,028,020,950.77/180,854.04
  6. Step 6: Final answer
    x = 138,387.96

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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.