Home / 202,330.16-279,214.04-111,686.15

Finding the Fourth Proportional to 202,330.16, 279,214.04 and 111,686.15

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Solution

The fourth proportional to 202,330.16, 279,214.04 and 111,686.15 is: 154,126.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,330.16 : 279,214.04 = 111,686.15 : x
  2. Step 2: Convert to fraction form
    202,330.16/279,214.04 = 111,686.15/x
  3. Step 3: Cross multiply
    202,330.16x = 279,214.04 × 111,686.15
  4. Step 4: Simplify right side
    202,330.16x = 31,184,341,153.55
  5. Step 5: Solve for x
    x = 31,184,341,153.55/202,330.16
  6. Step 6: Final answer
    x = 154,126.02

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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.