Home / 330,017.95-455,386.98-184,803.49

Finding the Fourth Proportional to 330,017.95, 455,386.98 and 184,803.49

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Solution

The fourth proportional to 330,017.95, 455,386.98 and 184,803.49 is: 255,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,017.95 : 455,386.98 = 184,803.49 : x
  2. Step 2: Convert to fraction form
    330,017.95/455,386.98 = 184,803.49/x
  3. Step 3: Cross multiply
    330,017.95x = 455,386.98 × 184,803.49
  4. Step 4: Simplify right side
    330,017.95x = 84,157,103,204.56
  5. Step 5: Solve for x
    x = 84,157,103,204.56/330,017.95
  6. Step 6: Final answer
    x = 255,007.65

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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.