Home / 117,931.03-162,904.04-94,223.95

Finding the Fourth Proportional to 117,931.03, 162,904.04 and 94,223.95

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Solution

The fourth proportional to 117,931.03, 162,904.04 and 94,223.95 is: 130,156.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,931.03 : 162,904.04 = 94,223.95 : x
  2. Step 2: Convert to fraction form
    117,931.03/162,904.04 = 94,223.95/x
  3. Step 3: Cross multiply
    117,931.03x = 162,904.04 × 94,223.95
  4. Step 4: Simplify right side
    117,931.03x = 15,349,462,119.76
  5. Step 5: Solve for x
    x = 15,349,462,119.76/117,931.03
  6. Step 6: Final answer
    x = 130,156.26

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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.