Home / 147,809.02-221,685.86-47,970.08

Finding the Fourth Proportional to 147,809.02, 221,685.86 and 47,970.08

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Solution

The fourth proportional to 147,809.02, 221,685.86 and 47,970.08 is: 71,946.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,809.02 : 221,685.86 = 47,970.08 : x
  2. Step 2: Convert to fraction form
    147,809.02/221,685.86 = 47,970.08/x
  3. Step 3: Cross multiply
    147,809.02x = 221,685.86 × 47,970.08
  4. Step 4: Simplify right side
    147,809.02x = 10,634,288,439.07
  5. Step 5: Solve for x
    x = 10,634,288,439.07/147,809.02
  6. Step 6: Final answer
    x = 71,946.14

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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.