Home / 227,641.61-314,145.89-125,667.21

Finding the Fourth Proportional to 227,641.61, 314,145.89 and 125,667.21

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Solution

The fourth proportional to 227,641.61, 314,145.89 and 125,667.21 is: 173,421.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,641.61 : 314,145.89 = 125,667.21 : x
  2. Step 2: Convert to fraction form
    227,641.61/314,145.89 = 125,667.21/x
  3. Step 3: Cross multiply
    227,641.61x = 314,145.89 × 125,667.21
  4. Step 4: Simplify right side
    227,641.61x = 39,477,838,528.17
  5. Step 5: Solve for x
    x = 39,477,838,528.17/227,641.61
  6. Step 6: Final answer
    x = 173,421.01

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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.