Home / 330,139.19-455,603.13-184,951.25

Finding the Fourth Proportional to 330,139.19, 455,603.13 and 184,951.25

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Solution

The fourth proportional to 330,139.19, 455,603.13 and 184,951.25 is: 255,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,139.19 : 455,603.13 = 184,951.25 : x
  2. Step 2: Convert to fraction form
    330,139.19/455,603.13 = 184,951.25/x
  3. Step 3: Cross multiply
    330,139.19x = 455,603.13 × 184,951.25
  4. Step 4: Simplify right side
    330,139.19x = 84,264,367,827.91
  5. Step 5: Solve for x
    x = 84,264,367,827.91/330,139.19
  6. Step 6: Final answer
    x = 255,238.91

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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.