Home / 142,024.41-196,139.54-117,912.74

Finding the Fourth Proportional to 142,024.41, 196,139.54 and 117,912.74

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Solution

The fourth proportional to 142,024.41, 196,139.54 and 117,912.74 is: 162,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,024.41 : 196,139.54 = 117,912.74 : x
  2. Step 2: Convert to fraction form
    142,024.41/196,139.54 = 117,912.74/x
  3. Step 3: Cross multiply
    142,024.41x = 196,139.54 × 117,912.74
  4. Step 4: Simplify right side
    142,024.41x = 23,127,349,897.82
  5. Step 5: Solve for x
    x = 23,127,349,897.82/142,024.41
  6. Step 6: Final answer
    x = 162,840.67

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1.5x scale

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.