Home / 190,655.64-285,985.10-48,501.05

Finding the Fourth Proportional to 190,655.64, 285,985.10 and 48,501.05

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Solution

The fourth proportional to 190,655.64, 285,985.10 and 48,501.05 is: 72,751.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,655.64 : 285,985.10 = 48,501.05 : x
  2. Step 2: Convert to fraction form
    190,655.64/285,985.10 = 48,501.05/x
  3. Step 3: Cross multiply
    190,655.64x = 285,985.10 × 48,501.05
  4. Step 4: Simplify right side
    190,655.64x = 13,870,575,961.92
  5. Step 5: Solve for x
    x = 13,870,575,961.92/190,655.64
  6. Step 6: Final answer
    x = 72,751.98

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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.