Home / 186,001.36-256,701.96-105,420.24

Finding the Fourth Proportional to 186,001.36, 256,701.96 and 105,420.24

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Solution

The fourth proportional to 186,001.36, 256,701.96 and 105,420.24 is: 145,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,001.36 : 256,701.96 = 105,420.24 : x
  2. Step 2: Convert to fraction form
    186,001.36/256,701.96 = 105,420.24/x
  3. Step 3: Cross multiply
    186,001.36x = 256,701.96 × 105,420.24
  4. Step 4: Simplify right side
    186,001.36x = 27,061,582,231.67
  5. Step 5: Solve for x
    x = 27,061,582,231.67/186,001.36
  6. Step 6: Final answer
    x = 145,491.31

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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.