Home / 190,730.95-286,148.04-57,615.55

Finding the Fourth Proportional to 190,730.95, 286,148.04 and 57,615.55

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Solution

The fourth proportional to 190,730.95, 286,148.04 and 57,615.55 is: 86,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,730.95 : 286,148.04 = 57,615.55 : x
  2. Step 2: Convert to fraction form
    190,730.95/286,148.04 = 57,615.55/x
  3. Step 3: Cross multiply
    190,730.95x = 286,148.04 × 57,615.55
  4. Step 4: Simplify right side
    190,730.95x = 16,486,576,706.02
  5. Step 5: Solve for x
    x = 16,486,576,706.02/190,730.95
  6. Step 6: Final answer
    x = 86,438.92

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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.