Home / 180,921.73-249,508.55-112,944.98

Finding the Fourth Proportional to 180,921.73, 249,508.55 and 112,944.98

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Solution

The fourth proportional to 180,921.73, 249,508.55 and 112,944.98 is: 155,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,921.73 : 249,508.55 = 112,944.98 : x
  2. Step 2: Convert to fraction form
    180,921.73/249,508.55 = 112,944.98/x
  3. Step 3: Cross multiply
    180,921.73x = 249,508.55 × 112,944.98
  4. Step 4: Simplify right side
    180,921.73x = 28,180,739,095.71
  5. Step 5: Solve for x
    x = 28,180,739,095.71/180,921.73
  6. Step 6: Final answer
    x = 155,762.05

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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.