Home / 209,058.51-288,502.76-113,567.07

Finding the Fourth Proportional to 209,058.51, 288,502.76 and 113,567.07

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Solution

The fourth proportional to 209,058.51, 288,502.76 and 113,567.07 is: 156,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,058.51 : 288,502.76 = 113,567.07 : x
  2. Step 2: Convert to fraction form
    209,058.51/288,502.76 = 113,567.07/x
  3. Step 3: Cross multiply
    209,058.51x = 288,502.76 × 113,567.07
  4. Step 4: Simplify right side
    209,058.51x = 32,764,412,572.28
  5. Step 5: Solve for x
    x = 32,764,412,572.28/209,058.51
  6. Step 6: Final answer
    x = 156,723.65

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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.