Home / 190,681.90-286,039.65-70,740.24

Finding the Fourth Proportional to 190,681.90, 286,039.65 and 70,740.24

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Solution

The fourth proportional to 190,681.90, 286,039.65 and 70,740.24 is: 106,116.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,681.90 : 286,039.65 = 70,740.24 : x
  2. Step 2: Convert to fraction form
    190,681.90/286,039.65 = 70,740.24/x
  3. Step 3: Cross multiply
    190,681.90x = 286,039.65 × 70,740.24
  4. Step 4: Simplify right side
    190,681.90x = 20,234,512,683.14
  5. Step 5: Solve for x
    x = 20,234,512,683.14/190,681.90
  6. Step 6: Final answer
    x = 106,116.59

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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.