Home / 219,153.12-302,432.08-118,551.12

Finding the Fourth Proportional to 219,153.12, 302,432.08 and 118,551.12

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Solution

The fourth proportional to 219,153.12, 302,432.08 and 118,551.12 is: 163,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,153.12 : 302,432.08 = 118,551.12 : x
  2. Step 2: Convert to fraction form
    219,153.12/302,432.08 = 118,551.12/x
  3. Step 3: Cross multiply
    219,153.12x = 302,432.08 × 118,551.12
  4. Step 4: Simplify right side
    219,153.12x = 35,853,661,807.93
  5. Step 5: Solve for x
    x = 35,853,661,807.93/219,153.12
  6. Step 6: Final answer
    x = 163,600.96

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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.