Home / 105,838.04-158,740.66-30,940.58

Finding the Fourth Proportional to 105,838.04, 158,740.66 and 30,940.58

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Solution

The fourth proportional to 105,838.04, 158,740.66 and 30,940.58 is: 46,406.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,838.04 : 158,740.66 = 30,940.58 : x
  2. Step 2: Convert to fraction form
    105,838.04/158,740.66 = 30,940.58/x
  3. Step 3: Cross multiply
    105,838.04x = 158,740.66 × 30,940.58
  4. Step 4: Simplify right side
    105,838.04x = 4,911,528,525.51
  5. Step 5: Solve for x
    x = 4,911,528,525.51/105,838.04
  6. Step 6: Final answer
    x = 46,406.08

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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.