Home / 154,764.02-213,569.91-94,312.59

Finding the Fourth Proportional to 154,764.02, 213,569.91 and 94,312.59

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Solution

The fourth proportional to 154,764.02, 213,569.91 and 94,312.59 is: 130,148.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,764.02 : 213,569.91 = 94,312.59 : x
  2. Step 2: Convert to fraction form
    154,764.02/213,569.91 = 94,312.59/x
  3. Step 3: Cross multiply
    154,764.02x = 213,569.91 × 94,312.59
  4. Step 4: Simplify right side
    154,764.02x = 20,142,331,358.17
  5. Step 5: Solve for x
    x = 20,142,331,358.17/154,764.02
  6. Step 6: Final answer
    x = 130,148.67

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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.