Home / 190,149.93-285,126.48-70,192.98

Finding the Fourth Proportional to 190,149.93, 285,126.48 and 70,192.98

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Solution

The fourth proportional to 190,149.93, 285,126.48 and 70,192.98 is: 105,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,149.93 : 285,126.48 = 70,192.98 : x
  2. Step 2: Convert to fraction form
    190,149.93/285,126.48 = 70,192.98/x
  3. Step 3: Cross multiply
    190,149.93x = 285,126.48 × 70,192.98
  4. Step 4: Simplify right side
    190,149.93x = 20,013,877,308.11
  5. Step 5: Solve for x
    x = 20,013,877,308.11/190,149.93
  6. Step 6: Final answer
    x = 105,253.14

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1.5x scale

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.