Home / 291,947.14-402,886.86-157,811.14

Finding the Fourth Proportional to 291,947.14, 402,886.86 and 157,811.14

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Solution

The fourth proportional to 291,947.14, 402,886.86 and 157,811.14 is: 217,779.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,947.14 : 402,886.86 = 157,811.14 : x
  2. Step 2: Convert to fraction form
    291,947.14/402,886.86 = 157,811.14/x
  3. Step 3: Cross multiply
    291,947.14x = 402,886.86 × 157,811.14
  4. Step 4: Simplify right side
    291,947.14x = 63,580,034,667.62
  5. Step 5: Solve for x
    x = 63,580,034,667.62/291,947.14
  6. Step 6: Final answer
    x = 217,779.27

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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.