Home / 180,541.98-249,150.56-99,969.35

Finding the Fourth Proportional to 180,541.98, 249,150.56 and 99,969.35

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Solution

The fourth proportional to 180,541.98, 249,150.56 and 99,969.35 is: 137,959.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,541.98 : 249,150.56 = 99,969.35 : x
  2. Step 2: Convert to fraction form
    180,541.98/249,150.56 = 99,969.35/x
  3. Step 3: Cross multiply
    180,541.98x = 249,150.56 × 99,969.35
  4. Step 4: Simplify right side
    180,541.98x = 24,907,417,789.74
  5. Step 5: Solve for x
    x = 24,907,417,789.74/180,541.98
  6. Step 6: Final answer
    x = 137,959.15

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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.