Home / 190,808.15-286,220.01-48,657.11

Finding the Fourth Proportional to 190,808.15, 286,220.01 and 48,657.11

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Solution

The fourth proportional to 190,808.15, 286,220.01 and 48,657.11 is: 72,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,808.15 : 286,220.01 = 48,657.11 : x
  2. Step 2: Convert to fraction form
    190,808.15/286,220.01 = 48,657.11/x
  3. Step 3: Cross multiply
    190,808.15x = 286,220.01 × 48,657.11
  4. Step 4: Simplify right side
    190,808.15x = 13,926,638,267.49
  5. Step 5: Solve for x
    x = 13,926,638,267.49/190,808.15
  6. Step 6: Final answer
    x = 72,987.65

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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.