Home / 190,816.23-286,225.33-111,875.10

Finding the Fourth Proportional to 190,816.23, 286,225.33 and 111,875.10

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Solution

The fourth proportional to 190,816.23, 286,225.33 and 111,875.10 is: 167,813.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,816.23 : 286,225.33 = 111,875.10 : x
  2. Step 2: Convert to fraction form
    190,816.23/286,225.33 = 111,875.10/x
  3. Step 3: Cross multiply
    190,816.23x = 286,225.33 × 111,875.10
  4. Step 4: Simplify right side
    190,816.23x = 32,021,486,805.60
  5. Step 5: Solve for x
    x = 32,021,486,805.60/190,816.23
  6. Step 6: Final answer
    x = 167,813.22

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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.