Home / 208,575.16-287,831.98-117,948.92

Finding the Fourth Proportional to 208,575.16, 287,831.98 and 117,948.92

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Solution

The fourth proportional to 208,575.16, 287,831.98 and 117,948.92 is: 162,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,575.16 : 287,831.98 = 117,948.92 : x
  2. Step 2: Convert to fraction form
    208,575.16/287,831.98 = 117,948.92/x
  3. Step 3: Cross multiply
    208,575.16x = 287,831.98 × 117,948.92
  4. Step 4: Simplify right side
    208,575.16x = 33,949,471,182.46
  5. Step 5: Solve for x
    x = 33,949,471,182.46/208,575.16
  6. Step 6: Final answer
    x = 162,768.53

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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.