Home / 106,153.29-146,368.80-84,626.19

Finding the Fourth Proportional to 106,153.29, 146,368.80 and 84,626.19

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Solution

The fourth proportional to 106,153.29, 146,368.80 and 84,626.19 is: 116,686.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,153.29 : 146,368.80 = 84,626.19 : x
  2. Step 2: Convert to fraction form
    106,153.29/146,368.80 = 84,626.19/x
  3. Step 3: Cross multiply
    106,153.29x = 146,368.80 × 84,626.19
  4. Step 4: Simplify right side
    106,153.29x = 12,386,633,878.87
  5. Step 5: Solve for x
    x = 12,386,633,878.87/106,153.29
  6. Step 6: Final answer
    x = 116,686.29

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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.