Home / 178,258.68-245,999.70-97,685.55

Finding the Fourth Proportional to 178,258.68, 245,999.70 and 97,685.55

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Solution

The fourth proportional to 178,258.68, 245,999.70 and 97,685.55 is: 134,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,258.68 : 245,999.70 = 97,685.55 : x
  2. Step 2: Convert to fraction form
    178,258.68/245,999.70 = 97,685.55/x
  3. Step 3: Cross multiply
    178,258.68x = 245,999.70 × 97,685.55
  4. Step 4: Simplify right side
    178,258.68x = 24,030,615,994.34
  5. Step 5: Solve for x
    x = 24,030,615,994.34/178,258.68
  6. Step 6: Final answer
    x = 134,807.55

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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.