Home / 277,547.40-383,016.78-156,693.60

Finding the Fourth Proportional to 277,547.40, 383,016.78 and 156,693.60

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Solution

The fourth proportional to 277,547.40, 383,016.78 and 156,693.60 is: 216,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,547.40 : 383,016.78 = 156,693.60 : x
  2. Step 2: Convert to fraction form
    277,547.40/383,016.78 = 156,693.60/x
  3. Step 3: Cross multiply
    277,547.40x = 383,016.78 × 156,693.60
  4. Step 4: Simplify right side
    277,547.40x = 60,016,278,118.61
  5. Step 5: Solve for x
    x = 60,016,278,118.61/277,547.40
  6. Step 6: Final answer
    x = 216,237.94

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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.