Home / 202,225.55-279,070.52-111,587.22

Finding the Fourth Proportional to 202,225.55, 279,070.52 and 111,587.22

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Solution

The fourth proportional to 202,225.55, 279,070.52 and 111,587.22 is: 153,989.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,225.55 : 279,070.52 = 111,587.22 : x
  2. Step 2: Convert to fraction form
    202,225.55/279,070.52 = 111,587.22/x
  3. Step 3: Cross multiply
    202,225.55x = 279,070.52 × 111,587.22
  4. Step 4: Simplify right side
    202,225.55x = 31,140,702,952.82
  5. Step 5: Solve for x
    x = 31,140,702,952.82/202,225.55
  6. Step 6: Final answer
    x = 153,989.96

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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.