Home / 106,045.71-146,411.60-70,284.21

Finding the Fourth Proportional to 106,045.71, 146,411.60 and 70,284.21

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Solution

The fourth proportional to 106,045.71, 146,411.60 and 70,284.21 is: 97,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,045.71 : 146,411.60 = 70,284.21 : x
  2. Step 2: Convert to fraction form
    106,045.71/146,411.60 = 70,284.21/x
  3. Step 3: Cross multiply
    106,045.71x = 146,411.60 × 70,284.21
  4. Step 4: Simplify right side
    106,045.71x = 10,290,423,135.72
  5. Step 5: Solve for x
    x = 10,290,423,135.72/106,045.71
  6. Step 6: Final answer
    x = 97,037.62

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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.