Home / 227,929.60-314,538.24-138,534.40

Finding the Fourth Proportional to 227,929.60, 314,538.24 and 138,534.40

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Solution

The fourth proportional to 227,929.60, 314,538.24 and 138,534.40 is: 191,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,929.60 : 314,538.24 = 138,534.40 : x
  2. Step 2: Convert to fraction form
    227,929.60/314,538.24 = 138,534.40/x
  3. Step 3: Cross multiply
    227,929.60x = 314,538.24 × 138,534.40
  4. Step 4: Simplify right side
    227,929.60x = 43,574,366,355.46
  5. Step 5: Solve for x
    x = 43,574,366,355.46/227,929.60
  6. Step 6: Final answer
    x = 191,174.67

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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.