Home / 217,798.12-326,543.58-84,567.40

Finding the Fourth Proportional to 217,798.12, 326,543.58 and 84,567.40

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Solution

The fourth proportional to 217,798.12, 326,543.58 and 84,567.40 is: 126,791.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,798.12 : 326,543.58 = 84,567.40 : x
  2. Step 2: Convert to fraction form
    217,798.12/326,543.58 = 84,567.40/x
  3. Step 3: Cross multiply
    217,798.12x = 326,543.58 × 84,567.40
  4. Step 4: Simplify right side
    217,798.12x = 27,614,941,547.29
  5. Step 5: Solve for x
    x = 27,614,941,547.29/217,798.12
  6. Step 6: Final answer
    x = 126,791.46

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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.