Home / 145,598.02-200,908.77-81,934.18

Finding the Fourth Proportional to 145,598.02, 200,908.77 and 81,934.18

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Solution

The fourth proportional to 145,598.02, 200,908.77 and 81,934.18 is: 113,059.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,598.02 : 200,908.77 = 81,934.18 : x
  2. Step 2: Convert to fraction form
    145,598.02/200,908.77 = 81,934.18/x
  3. Step 3: Cross multiply
    145,598.02x = 200,908.77 × 81,934.18
  4. Step 4: Simplify right side
    145,598.02x = 16,461,295,324.76
  5. Step 5: Solve for x
    x = 16,461,295,324.76/145,598.02
  6. Step 6: Final answer
    x = 113,059.88

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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.