Home / 190,810.16-286,223-48,659.12

Finding the Fourth Proportional to 190,810.16, 286,223 and 48,659.12

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Solution

The fourth proportional to 190,810.16, 286,223 and 48,659.12 is: 72,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,810.16 : 286,223 = 48,659.12 : x
  2. Step 2: Convert to fraction form
    190,810.16/286,223 = 48,659.12/x
  3. Step 3: Cross multiply
    190,810.16x = 286,223 × 48,659.12
  4. Step 4: Simplify right side
    190,810.16x = 13,927,359,303.76
  5. Step 5: Solve for x
    x = 13,927,359,303.76/190,810.16
  6. Step 6: Final answer
    x = 72,990.66

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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.