Home / 130,880.19-196,342.16-46,688.89

Finding the Fourth Proportional to 130,880.19, 196,342.16 and 46,688.89

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Solution

The fourth proportional to 130,880.19, 196,342.16 and 46,688.89 is: 70,041.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,880.19 : 196,342.16 = 46,688.89 : x
  2. Step 2: Convert to fraction form
    130,880.19/196,342.16 = 46,688.89/x
  3. Step 3: Cross multiply
    130,880.19x = 196,342.16 × 46,688.89
  4. Step 4: Simplify right side
    130,880.19x = 9,166,997,510.60
  5. Step 5: Solve for x
    x = 9,166,997,510.60/130,880.19
  6. Step 6: Final answer
    x = 70,041.14

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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.