Home / 186,356.34-257,176.35-101,478.06

Finding the Fourth Proportional to 186,356.34, 257,176.35 and 101,478.06

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Solution

The fourth proportional to 186,356.34, 257,176.35 and 101,478.06 is: 140,042.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,356.34 : 257,176.35 = 101,478.06 : x
  2. Step 2: Convert to fraction form
    186,356.34/257,176.35 = 101,478.06/x
  3. Step 3: Cross multiply
    186,356.34x = 257,176.35 × 101,478.06
  4. Step 4: Simplify right side
    186,356.34x = 26,097,757,075.88
  5. Step 5: Solve for x
    x = 26,097,757,075.88/186,356.34
  6. Step 6: Final answer
    x = 140,042.23

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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.