Home / 229,895.40-344,637.90-89,621.40

Finding the Fourth Proportional to 229,895.40, 344,637.90 and 89,621.40

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Solution

The fourth proportional to 229,895.40, 344,637.90 and 89,621.40 is: 134,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,895.40 : 344,637.90 = 89,621.40 : x
  2. Step 2: Convert to fraction form
    229,895.40/344,637.90 = 89,621.40/x
  3. Step 3: Cross multiply
    229,895.40x = 344,637.90 × 89,621.40
  4. Step 4: Simplify right side
    229,895.40x = 30,886,931,091.06
  5. Step 5: Solve for x
    x = 30,886,931,091.06/229,895.40
  6. Step 6: Final answer
    x = 134,352.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.