Home / 186,526.14-257,405.24-101,643.20

Finding the Fourth Proportional to 186,526.14, 257,405.24 and 101,643.20

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Solution

The fourth proportional to 186,526.14, 257,405.24 and 101,643.20 is: 140,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,526.14 : 257,405.24 = 101,643.20 : x
  2. Step 2: Convert to fraction form
    186,526.14/257,405.24 = 101,643.20/x
  3. Step 3: Cross multiply
    186,526.14x = 257,405.24 × 101,643.20
  4. Step 4: Simplify right side
    186,526.14x = 26,163,492,290.37
  5. Step 5: Solve for x
    x = 26,163,492,290.37/186,526.14
  6. Step 6: Final answer
    x = 140,267.16

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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.