Home / 214,767.56-296,386.01-128,698.18

Finding the Fourth Proportional to 214,767.56, 296,386.01 and 128,698.18

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Solution

The fourth proportional to 214,767.56, 296,386.01 and 128,698.18 is: 177,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,767.56 : 296,386.01 = 128,698.18 : x
  2. Step 2: Convert to fraction form
    214,767.56/296,386.01 = 128,698.18/x
  3. Step 3: Cross multiply
    214,767.56x = 296,386.01 × 128,698.18
  4. Step 4: Simplify right side
    214,767.56x = 38,144,340,064.46
  5. Step 5: Solve for x
    x = 38,144,340,064.46/214,767.56
  6. Step 6: Final answer
    x = 177,607.55

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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.