Home / 236,332.17-354,421.76-78,518.25

Finding the Fourth Proportional to 236,332.17, 354,421.76 and 78,518.25

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Solution

The fourth proportional to 236,332.17, 354,421.76 and 78,518.25 is: 117,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,332.17 : 354,421.76 = 78,518.25 : x
  2. Step 2: Convert to fraction form
    236,332.17/354,421.76 = 78,518.25/x
  3. Step 3: Cross multiply
    236,332.17x = 354,421.76 × 78,518.25
  4. Step 4: Simplify right side
    236,332.17x = 27,828,575,964.53
  5. Step 5: Solve for x
    x = 27,828,575,964.53/236,332.17
  6. Step 6: Final answer
    x = 117,751.96

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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.