Home / 107,127.64-147,895.02-73,187.16

Finding the Fourth Proportional to 107,127.64, 147,895.02 and 73,187.16

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Solution

The fourth proportional to 107,127.64, 147,895.02 and 73,187.16 is: 101,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,127.64 : 147,895.02 = 73,187.16 : x
  2. Step 2: Convert to fraction form
    107,127.64/147,895.02 = 73,187.16/x
  3. Step 3: Cross multiply
    107,127.64x = 147,895.02 × 73,187.16
  4. Step 4: Simplify right side
    107,127.64x = 10,824,016,491.94
  5. Step 5: Solve for x
    x = 10,824,016,491.94/107,127.64
  6. Step 6: Final answer
    x = 101,038.50

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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.