Home / 276,603.15-381,508.70-190,590.87

Finding the Fourth Proportional to 276,603.15, 381,508.70 and 190,590.87

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Solution

The fourth proportional to 276,603.15, 381,508.70 and 190,590.87 is: 262,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,603.15 : 381,508.70 = 190,590.87 : x
  2. Step 2: Convert to fraction form
    276,603.15/381,508.70 = 190,590.87/x
  3. Step 3: Cross multiply
    276,603.15x = 381,508.70 × 190,590.87
  4. Step 4: Simplify right side
    276,603.15x = 72,712,074,092.61
  5. Step 5: Solve for x
    x = 72,712,074,092.61/276,603.15
  6. Step 6: Final answer
    x = 262,875.08

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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.