Home / 140,280.18-210,421.07-46,785.66

Finding the Fourth Proportional to 140,280.18, 210,421.07 and 46,785.66

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Solution

The fourth proportional to 140,280.18, 210,421.07 and 46,785.66 is: 70,178.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,280.18 : 210,421.07 = 46,785.66 : x
  2. Step 2: Convert to fraction form
    140,280.18/210,421.07 = 46,785.66/x
  3. Step 3: Cross multiply
    140,280.18x = 210,421.07 × 46,785.66
  4. Step 4: Simplify right side
    140,280.18x = 9,844,688,637.86
  5. Step 5: Solve for x
    x = 9,844,688,637.86/140,280.18
  6. Step 6: Final answer
    x = 70,178.76

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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.