Home / 186,122.64-256,829.40-109,637.22

Finding the Fourth Proportional to 186,122.64, 256,829.40 and 109,637.22

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Solution

The fourth proportional to 186,122.64, 256,829.40 and 109,637.22 is: 151,287.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,122.64 : 256,829.40 = 109,637.22 : x
  2. Step 2: Convert to fraction form
    186,122.64/256,829.40 = 109,637.22/x
  3. Step 3: Cross multiply
    186,122.64x = 256,829.40 × 109,637.22
  4. Step 4: Simplify right side
    186,122.64x = 28,158,061,430.27
  5. Step 5: Solve for x
    x = 28,158,061,430.27/186,122.64
  6. Step 6: Final answer
    x = 151,287.67

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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.