Home / 190,424.06-285,707.10-101,628.20

Finding the Fourth Proportional to 190,424.06, 285,707.10 and 101,628.20

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Solution

The fourth proportional to 190,424.06, 285,707.10 and 101,628.20 is: 152,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,424.06 : 285,707.10 = 101,628.20 : x
  2. Step 2: Convert to fraction form
    190,424.06/285,707.10 = 101,628.20/x
  3. Step 3: Cross multiply
    190,424.06x = 285,707.10 × 101,628.20
  4. Step 4: Simplify right side
    190,424.06x = 29,035,898,300.22
  5. Step 5: Solve for x
    x = 29,035,898,300.22/190,424.06
  6. Step 6: Final answer
    x = 152,480.20

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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.