Home / 142,461.70-197,496.17-134,877.67

Finding the Fourth Proportional to 142,461.70, 197,496.17 and 134,877.67

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Solution

The fourth proportional to 142,461.70, 197,496.17 and 134,877.67 is: 186,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,461.70 : 197,496.17 = 134,877.67 : x
  2. Step 2: Convert to fraction form
    142,461.70/197,496.17 = 134,877.67/x
  3. Step 3: Cross multiply
    142,461.70x = 197,496.17 × 134,877.67
  4. Step 4: Simplify right side
    142,461.70x = 26,637,822,581.19
  5. Step 5: Solve for x
    x = 26,637,822,581.19/142,461.70
  6. Step 6: Final answer
    x = 186,982.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.