Home / 175,259.15-262,888.73-42,139.40

Finding the Fourth Proportional to 175,259.15, 262,888.73 and 42,139.40

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Solution

The fourth proportional to 175,259.15, 262,888.73 and 42,139.40 is: 63,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,259.15 : 262,888.73 = 42,139.40 : x
  2. Step 2: Convert to fraction form
    175,259.15/262,888.73 = 42,139.40/x
  3. Step 3: Cross multiply
    175,259.15x = 262,888.73 × 42,139.40
  4. Step 4: Simplify right side
    175,259.15x = 11,077,973,795.49
  5. Step 5: Solve for x
    x = 11,077,973,795.49/175,259.15
  6. Step 6: Final answer
    x = 63,209.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.