Home / 186,307.20-257,089.44-101,422.56

Finding the Fourth Proportional to 186,307.20, 257,089.44 and 101,422.56

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Solution

The fourth proportional to 186,307.20, 257,089.44 and 101,422.56 is: 139,955.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,307.20 : 257,089.44 = 101,422.56 : x
  2. Step 2: Convert to fraction form
    186,307.20/257,089.44 = 101,422.56/x
  3. Step 3: Cross multiply
    186,307.20x = 257,089.44 × 101,422.56
  4. Step 4: Simplify right side
    186,307.20x = 26,074,669,153.77
  5. Step 5: Solve for x
    x = 26,074,669,153.77/186,307.20
  6. Step 6: Final answer
    x = 139,955.24

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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.