Home / 255,868.12-353,567.19-243,577.18

Finding the Fourth Proportional to 255,868.12, 353,567.19 and 243,577.18

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Solution

The fourth proportional to 255,868.12, 353,567.19 and 243,577.18 is: 336,583.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,868.12 : 353,567.19 = 243,577.18 : x
  2. Step 2: Convert to fraction form
    255,868.12/353,567.19 = 243,577.18/x
  3. Step 3: Cross multiply
    255,868.12x = 353,567.19 × 243,577.18
  4. Step 4: Simplify right side
    255,868.12x = 86,120,899,080.72
  5. Step 5: Solve for x
    x = 86,120,899,080.72/255,868.12
  6. Step 6: Final answer
    x = 336,583.15

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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.