Home / 130,787.05-180,473.65-73,413.23

Finding the Fourth Proportional to 130,787.05, 180,473.65 and 73,413.23

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Solution

The fourth proportional to 130,787.05, 180,473.65 and 73,413.23 is: 101,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,787.05 : 180,473.65 = 73,413.23 : x
  2. Step 2: Convert to fraction form
    130,787.05/180,473.65 = 73,413.23/x
  3. Step 3: Cross multiply
    130,787.05x = 180,473.65 × 73,413.23
  4. Step 4: Simplify right side
    130,787.05x = 13,249,152,674.02
  5. Step 5: Solve for x
    x = 13,249,152,674.02/130,787.05
  6. Step 6: Final answer
    x = 101,303.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.