Home / 186,001.37-256,701.93-105,420.23

Finding the Fourth Proportional to 186,001.37, 256,701.93 and 105,420.23

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Solution

The fourth proportional to 186,001.37, 256,701.93 and 105,420.23 is: 145,491.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,001.37 : 256,701.93 = 105,420.23 : x
  2. Step 2: Convert to fraction form
    186,001.37/256,701.93 = 105,420.23/x
  3. Step 3: Cross multiply
    186,001.37x = 256,701.93 × 105,420.23
  4. Step 4: Simplify right side
    186,001.37x = 27,061,576,502.04
  5. Step 5: Solve for x
    x = 27,061,576,502.04/186,001.37
  6. Step 6: Final answer
    x = 145,491.28

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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.