Home / 169,785.96-234,165.59-105,210.35

Finding the Fourth Proportional to 169,785.96, 234,165.59 and 105,210.35

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Solution

The fourth proportional to 169,785.96, 234,165.59 and 105,210.35 is: 145,104.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,785.96 : 234,165.59 = 105,210.35 : x
  2. Step 2: Convert to fraction form
    169,785.96/234,165.59 = 105,210.35/x
  3. Step 3: Cross multiply
    169,785.96x = 234,165.59 × 105,210.35
  4. Step 4: Simplify right side
    169,785.96x = 24,636,641,984.98
  5. Step 5: Solve for x
    x = 24,636,641,984.98/169,785.96
  6. Step 6: Final answer
    x = 145,104.12

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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.