Home / 161,727.95-223,184.75-93,784.40

Finding the Fourth Proportional to 161,727.95, 223,184.75 and 93,784.40

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Solution

The fourth proportional to 161,727.95, 223,184.75 and 93,784.40 is: 129,422.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,727.95 : 223,184.75 = 93,784.40 : x
  2. Step 2: Convert to fraction form
    161,727.95/223,184.75 = 93,784.40/x
  3. Step 3: Cross multiply
    161,727.95x = 223,184.75 × 93,784.40
  4. Step 4: Simplify right side
    161,727.95x = 20,931,248,045.85
  5. Step 5: Solve for x
    x = 20,931,248,045.85/161,727.95
  6. Step 6: Final answer
    x = 129,422.58

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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.