Home / 228,159.56-340,184.36-209,190.18

Finding the Fourth Proportional to 228,159.56, 340,184.36 and 209,190.18

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Solution

The fourth proportional to 228,159.56, 340,184.36 and 209,190.18 is: 311,901.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,159.56 : 340,184.36 = 209,190.18 : x
  2. Step 2: Convert to fraction form
    228,159.56/340,184.36 = 209,190.18/x
  3. Step 3: Cross multiply
    228,159.56x = 340,184.36 × 209,190.18
  4. Step 4: Simplify right side
    228,159.56x = 71,163,227,501.58
  5. Step 5: Solve for x
    x = 71,163,227,501.58/228,159.56
  6. Step 6: Final answer
    x = 311,901.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.