Home / 127,795.14-176,356.72-70,434.35

Finding the Fourth Proportional to 127,795.14, 176,356.72 and 70,434.35

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Solution

The fourth proportional to 127,795.14, 176,356.72 and 70,434.35 is: 97,199.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,795.14 : 176,356.72 = 70,434.35 : x
  2. Step 2: Convert to fraction form
    127,795.14/176,356.72 = 70,434.35/x
  3. Step 3: Cross multiply
    127,795.14x = 176,356.72 × 70,434.35
  4. Step 4: Simplify right side
    127,795.14x = 12,421,570,808.93
  5. Step 5: Solve for x
    x = 12,421,570,808.93/127,795.14
  6. Step 6: Final answer
    x = 97,199.09

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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.