Home / 143,165.04-197,337.96-97,210.32

Finding the Fourth Proportional to 143,165.04, 197,337.96 and 97,210.32

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Solution

The fourth proportional to 143,165.04, 197,337.96 and 97,210.32 is: 133,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,165.04 : 197,337.96 = 97,210.32 : x
  2. Step 2: Convert to fraction form
    143,165.04/197,337.96 = 97,210.32/x
  3. Step 3: Cross multiply
    143,165.04x = 197,337.96 × 97,210.32
  4. Step 4: Simplify right side
    143,165.04x = 19,183,286,239.75
  5. Step 5: Solve for x
    x = 19,183,286,239.75/143,165.04
  6. Step 6: Final answer
    x = 133,994.21

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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.