Home / 190,417.33-285,325.53-70,308.96

Finding the Fourth Proportional to 190,417.33, 285,325.53 and 70,308.96

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Solution

The fourth proportional to 190,417.33, 285,325.53 and 70,308.96 is: 105,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,417.33 : 285,325.53 = 70,308.96 : x
  2. Step 2: Convert to fraction form
    190,417.33/285,325.53 = 70,308.96/x
  3. Step 3: Cross multiply
    190,417.33x = 285,325.53 × 70,308.96
  4. Step 4: Simplify right side
    190,417.33x = 20,060,941,275.75
  5. Step 5: Solve for x
    x = 20,060,941,275.75/190,417.33
  6. Step 6: Final answer
    x = 105,352.50

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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.