Home / 151,101.02-208,519.85-83,124.95

Finding the Fourth Proportional to 151,101.02, 208,519.85 and 83,124.95

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Solution

The fourth proportional to 151,101.02, 208,519.85 and 83,124.95 is: 114,712.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,101.02 : 208,519.85 = 83,124.95 : x
  2. Step 2: Convert to fraction form
    151,101.02/208,519.85 = 83,124.95/x
  3. Step 3: Cross multiply
    151,101.02x = 208,519.85 × 83,124.95
  4. Step 4: Simplify right side
    151,101.02x = 17,333,201,270.47
  5. Step 5: Solve for x
    x = 17,333,201,270.47/151,101.02
  6. Step 6: Final answer
    x = 114,712.67

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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.