Home / 277,237.47-382,587.26-156,378.39

Finding the Fourth Proportional to 277,237.47, 382,587.26 and 156,378.39

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Solution

The fourth proportional to 277,237.47, 382,587.26 and 156,378.39 is: 215,801.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,237.47 : 382,587.26 = 156,378.39 : x
  2. Step 2: Convert to fraction form
    277,237.47/382,587.26 = 156,378.39/x
  3. Step 3: Cross multiply
    277,237.47x = 382,587.26 × 156,378.39
  4. Step 4: Simplify right side
    277,237.47x = 59,828,378,971.42
  5. Step 5: Solve for x
    x = 59,828,378,971.42/277,237.47
  6. Step 6: Final answer
    x = 215,801.92

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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.