Home / 136,105.47-204,199.65-69,592.32

Finding the Fourth Proportional to 136,105.47, 204,199.65 and 69,592.32

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Solution

The fourth proportional to 136,105.47, 204,199.65 and 69,592.32 is: 104,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,105.47 : 204,199.65 = 69,592.32 : x
  2. Step 2: Convert to fraction form
    136,105.47/204,199.65 = 69,592.32/x
  3. Step 3: Cross multiply
    136,105.47x = 204,199.65 × 69,592.32
  4. Step 4: Simplify right side
    136,105.47x = 14,210,727,386.69
  5. Step 5: Solve for x
    x = 14,210,727,386.69/136,105.47
  6. Step 6: Final answer
    x = 104,409.67

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1.5x scale

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.