Home / 208,932.03-288,328.28-113,439.51

Finding the Fourth Proportional to 208,932.03, 288,328.28 and 113,439.51

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Solution

The fourth proportional to 208,932.03, 288,328.28 and 113,439.51 is: 156,547.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,932.03 : 288,328.28 = 113,439.51 : x
  2. Step 2: Convert to fraction form
    208,932.03/288,328.28 = 113,439.51/x
  3. Step 3: Cross multiply
    208,932.03x = 288,328.28 × 113,439.51
  4. Step 4: Simplify right side
    208,932.03x = 32,707,818,235.15
  5. Step 5: Solve for x
    x = 32,707,818,235.15/208,932.03
  6. Step 6: Final answer
    x = 156,547.65

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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.