Home / 156,988.55-235,482.83-143,210.45

Finding the Fourth Proportional to 156,988.55, 235,482.83 and 143,210.45

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Solution

The fourth proportional to 156,988.55, 235,482.83 and 143,210.45 is: 214,815.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,988.55 : 235,482.83 = 143,210.45 : x
  2. Step 2: Convert to fraction form
    156,988.55/235,482.83 = 143,210.45/x
  3. Step 3: Cross multiply
    156,988.55x = 235,482.83 × 143,210.45
  4. Step 4: Simplify right side
    156,988.55x = 33,723,602,051.57
  5. Step 5: Solve for x
    x = 33,723,602,051.57/156,988.55
  6. Step 6: Final answer
    x = 214,815.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.