Home / 107,455.08-161,182.47-28,569.36

Finding the Fourth Proportional to 107,455.08, 161,182.47 and 28,569.36

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Solution

The fourth proportional to 107,455.08, 161,182.47 and 28,569.36 is: 42,854.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,455.08 : 161,182.47 = 28,569.36 : x
  2. Step 2: Convert to fraction form
    107,455.08/161,182.47 = 28,569.36/x
  3. Step 3: Cross multiply
    107,455.08x = 161,182.47 × 28,569.36
  4. Step 4: Simplify right side
    107,455.08x = 4,604,880,011.12
  5. Step 5: Solve for x
    x = 4,604,880,011.12/107,455.08
  6. Step 6: Final answer
    x = 42,854.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.