Home / 124,281.52-171,453.93-83,980.60

Finding the Fourth Proportional to 124,281.52, 171,453.93 and 83,980.60

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Solution

The fourth proportional to 124,281.52, 171,453.93 and 83,980.60 is: 115,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,281.52 : 171,453.93 = 83,980.60 : x
  2. Step 2: Convert to fraction form
    124,281.52/171,453.93 = 83,980.60/x
  3. Step 3: Cross multiply
    124,281.52x = 171,453.93 × 83,980.60
  4. Step 4: Simplify right side
    124,281.52x = 14,398,803,913.76
  5. Step 5: Solve for x
    x = 14,398,803,913.76/124,281.52
  6. Step 6: Final answer
    x = 115,856.36

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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.