Home / 190,988.70-286,612.65-124,266.30

Finding the Fourth Proportional to 190,988.70, 286,612.65 and 124,266.30

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Solution

The fourth proportional to 190,988.70, 286,612.65 and 124,266.30 is: 186,483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,988.70 : 286,612.65 = 124,266.30 : x
  2. Step 2: Convert to fraction form
    190,988.70/286,612.65 = 124,266.30/x
  3. Step 3: Cross multiply
    190,988.70x = 286,612.65 × 124,266.30
  4. Step 4: Simplify right side
    190,988.70x = 35,616,293,548.70
  5. Step 5: Solve for x
    x = 35,616,293,548.70/190,988.70
  6. Step 6: Final answer
    x = 186,483.77

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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.