Home / 142,851.08-197,094.59-112,542.33

Finding the Fourth Proportional to 142,851.08, 197,094.59 and 112,542.33

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Solution

The fourth proportional to 142,851.08, 197,094.59 and 112,542.33 is: 155,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,851.08 : 197,094.59 = 112,542.33 : x
  2. Step 2: Convert to fraction form
    142,851.08/197,094.59 = 112,542.33/x
  3. Step 3: Cross multiply
    142,851.08x = 197,094.59 × 112,542.33
  4. Step 4: Simplify right side
    142,851.08x = 22,181,484,670.35
  5. Step 5: Solve for x
    x = 22,181,484,670.35/142,851.08
  6. Step 6: Final answer
    x = 155,276.99

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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.