Home / 180,824.10-249,552.05-100,276.89

Finding the Fourth Proportional to 180,824.10, 249,552.05 and 100,276.89

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Solution

The fourth proportional to 180,824.10, 249,552.05 and 100,276.89 is: 138,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,824.10 : 249,552.05 = 100,276.89 : x
  2. Step 2: Convert to fraction form
    180,824.10/249,552.05 = 100,276.89/x
  3. Step 3: Cross multiply
    180,824.10x = 249,552.05 × 100,276.89
  4. Step 4: Simplify right side
    180,824.10x = 25,024,302,965.74
  5. Step 5: Solve for x
    x = 25,024,302,965.74/180,824.10
  6. Step 6: Final answer
    x = 138,390.31

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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.