Home / 127,238.63-175,596.59-70,653.65

Finding the Fourth Proportional to 127,238.63, 175,596.59 and 70,653.65

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Solution

The fourth proportional to 127,238.63, 175,596.59 and 70,653.65 is: 97,506.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,238.63 : 175,596.59 = 70,653.65 : x
  2. Step 2: Convert to fraction form
    127,238.63/175,596.59 = 70,653.65/x
  3. Step 3: Cross multiply
    127,238.63x = 175,596.59 × 70,653.65
  4. Step 4: Simplify right side
    127,238.63x = 12,406,539,309.70
  5. Step 5: Solve for x
    x = 12,406,539,309.70/127,238.63
  6. Step 6: Final answer
    x = 97,506.08

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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.