Home / 175,518.90-242,217.26-107,536

Finding the Fourth Proportional to 175,518.90, 242,217.26 and 107,536

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Solution

The fourth proportional to 175,518.90, 242,217.26 and 107,536 is: 148,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,518.90 : 242,217.26 = 107,536 : x
  2. Step 2: Convert to fraction form
    175,518.90/242,217.26 = 107,536/x
  3. Step 3: Cross multiply
    175,518.90x = 242,217.26 × 107,536
  4. Step 4: Simplify right side
    175,518.90x = 26,047,075,271.36
  5. Step 5: Solve for x
    x = 26,047,075,271.36/175,518.90
  6. Step 6: Final answer
    x = 148,400.40

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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.