Home / 312,177.23-430,805.66-168,937.24

Finding the Fourth Proportional to 312,177.23, 430,805.66 and 168,937.24

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Solution

The fourth proportional to 312,177.23, 430,805.66 and 168,937.24 is: 233,133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,177.23 : 430,805.66 = 168,937.24 : x
  2. Step 2: Convert to fraction form
    312,177.23/430,805.66 = 168,937.24/x
  3. Step 3: Cross multiply
    312,177.23x = 430,805.66 × 168,937.24
  4. Step 4: Simplify right side
    312,177.23x = 72,779,119,176.78
  5. Step 5: Solve for x
    x = 72,779,119,176.78/312,177.23
  6. Step 6: Final answer
    x = 233,133.98

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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.